mirror of https://github.com/python/cpython
1207 lines
25 KiB
ReStructuredText
1207 lines
25 KiB
ReStructuredText
.. bpo: 46940
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.. date: 2022-03-06-20-16-13
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.. nonce: _X47Hx
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.. release date: 2022-03-07
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.. section: Core and Builtins
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Avoid overriding :exc:`AttributeError` metadata information for nested
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attribute access calls. Patch by Pablo Galindo.
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..
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.. bpo: 46927
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.. date: 2022-03-05-12-23-58
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.. nonce: URbHBi
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.. section: Core and Builtins
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Include the type's name in the error message for subscripting non-generic
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types.
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..
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.. bpo: 46921
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.. date: 2022-03-05-00-43-22
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.. nonce: tyuPeB
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.. section: Core and Builtins
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Support vectorcall for ``super()``. Patch by Ken Jin.
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..
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.. bpo: 46841
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.. date: 2022-03-03-14-31-53
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.. nonce: agf-3X
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.. section: Core and Builtins
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Fix incorrect handling of inline cache entries when specializing
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:opcode:`BINARY_OP`.
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..
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.. bpo: 46841
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.. date: 2022-03-03-12-36-15
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.. nonce: apPev2
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.. section: Core and Builtins
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Use an oparg to simplify the construction of helpful error messages in
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:opcode:`GET_AWAITABLE`.
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..
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.. bpo: 46903
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.. date: 2022-03-03-12-02-41
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.. nonce: OzgaFZ
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.. section: Core and Builtins
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Make sure that str subclasses can be used as attribute names for instances
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with virtual dictionaries. Fixes regression in 3.11alpha
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..
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.. bpo: 46841
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.. date: 2022-03-03-10-46-13
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.. nonce: 7CkuZx
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.. section: Core and Builtins
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Add more detailed specialization failure stats for :opcode:`COMPARE_OP`
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followed by :opcode:`EXTENDED_ARG`.
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..
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.. bpo: 46891
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.. date: 2022-03-02-15-04-08
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.. nonce: aIAgTD
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.. section: Core and Builtins
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Fix bug introduced during 3.11alpha where subclasses of ``types.ModuleType``
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with ``__slots__`` were not initialized correctly, resulting in an
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interpreter crash.
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..
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.. bpo: 46841
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.. date: 2022-03-01-17-47-58
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.. nonce: inYQlU
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.. section: Core and Builtins
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Use inline caching for :opcode:`LOAD_ATTR`, :opcode:`LOAD_METHOD`, and
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:opcode:`STORE_ATTR`.
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..
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.. bpo: 46841
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.. date: 2022-02-28-15-46-36
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.. nonce: MDQoty
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.. section: Core and Builtins
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Use inline cache for :opcode:`BINARY_SUBSCR`.
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..
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.. bpo: 46841
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.. date: 2022-02-28-12-01-04
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.. nonce: r60AMJ
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.. section: Core and Builtins
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Use inline caching for :opcode:`COMPARE_OP`.
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..
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.. bpo: 46864
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.. date: 2022-02-26-19-26-36
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.. nonce: EmLgFp
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.. section: Core and Builtins
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Deprecate ``PyBytesObject.ob_shash``. It will be removed in Python 3.13.
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..
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.. bpo: 46841
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.. date: 2022-02-25-15-18-40
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.. nonce: tmLpgC
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.. section: Core and Builtins
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Use inline caching for :opcode:`UNPACK_SEQUENCE`.
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..
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.. bpo: 46845
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.. date: 2022-02-25-14-57-21
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.. nonce: TUvaMG
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.. section: Core and Builtins
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Reduces dict size by removing hash value from hash table when all inserted
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keys are Unicode. For example, ``sys.getsizeof(dict.fromkeys("abcdefg"))``
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becomes 272 bytes from 352 bytes on 64bit platform.
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..
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.. bpo: 46841
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.. date: 2022-02-25-13-18-18
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.. nonce: 86QiQu
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.. section: Core and Builtins
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Use inline cache for :opcode:`LOAD_GLOBAL`.
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..
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.. bpo: 46852
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.. date: 2022-02-25-02-01-42
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.. nonce: _3zg8D
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.. section: Core and Builtins
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Rename the private undocumented ``float.__set_format__()`` method to
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``float.__setformat__()`` to fix a typo introduced in Python 3.7. The method
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is only used by test_float. Patch by Victor Stinner.
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..
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.. bpo: 46852
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.. date: 2022-02-25-01-42-45
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.. nonce: nkRDvV
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.. section: Core and Builtins
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Remove the undocumented private ``float.__set_format__()`` method,
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previously known as ``float.__setformat__()`` in Python 3.7. Its docstring
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said: "You probably don't want to use this function. It exists mainly to be
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used in Python's test suite." Patch by Victor Stinner.
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..
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.. bpo: 40116
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.. date: 2022-02-24-16-34-17
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.. nonce: AeVGG2
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.. section: Core and Builtins
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Fix regression that dict.update(other) may don't respect iterate order of
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other when other is key sharing dict.
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..
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.. bpo: 46712
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.. date: 2022-02-24-07-50-43
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.. nonce: pw7vQV
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.. section: Core and Builtins
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Share global string identifiers in deep-frozen modules.
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..
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.. bpo: 46430
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.. date: 2022-02-24-07-33-29
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.. nonce: c91TAg
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.. section: Core and Builtins
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Fix memory leak in interned strings of deep-frozen modules.
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..
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.. bpo: 46841
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.. date: 2022-02-23-18-17-30
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.. nonce: fns8HB
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.. section: Core and Builtins
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Store :opcode:`BINARY_OP` caches inline using a new :opcode:`CACHE`
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instruction.
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..
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.. bpo: 45107
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.. date: 2022-02-23-15-26-02
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.. nonce: axcgHn
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.. section: Core and Builtins
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Specialize ``LOAD_METHOD`` for instances with a dict.
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..
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.. bpo: 44337
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.. date: 2022-02-22-17-19-45
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.. nonce: XA-egu
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.. section: Core and Builtins
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Reduce the memory usage of specialized :opcode:`LOAD_ATTR` and
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:opcode:`STORE_ATTR` instructions.
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..
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.. bpo: 46729
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.. date: 2022-02-22-17-18-36
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.. nonce: ZwGTFq
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.. section: Core and Builtins
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Add number of sub-exceptions to :meth:`BaseException.__str__`.
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..
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.. bpo: 45885
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.. date: 2022-02-22-15-48-32
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.. nonce: W2vkaI
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.. section: Core and Builtins
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Don't un-adapt :opcode:`COMPARE_OP` when collecting specialization stats.
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..
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.. bpo: 46329
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.. date: 2022-02-22-14-03-56
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.. nonce: RX_AzJ
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.. section: Core and Builtins
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Fix specialization stats gathering for :opcode:`PRECALL` instructions.
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..
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.. bpo: 46794
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.. date: 2022-02-22-12-07-53
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.. nonce: 6WvJ9o
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.. section: Core and Builtins
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Bump up the libexpat version into 2.4.6
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..
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.. bpo: 46823
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.. date: 2022-02-22-05-14-25
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.. nonce: z9NZC9
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.. section: Core and Builtins
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Implement a specialized combined opcode
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``LOAD_FAST__LOAD_ATTR_INSTANCE_VALUE``. Patch by Dennis Sweeney.
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..
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.. bpo: 46820
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.. date: 2022-02-21-21-55-23
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.. nonce: 4RfUZh
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.. section: Core and Builtins
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Fix parsing a numeric literal immediately (without spaces) followed by "not
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in" keywords, like in ``1not in x``. Now the parser only emits a warning,
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not a syntax error.
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..
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.. bpo: 46329
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.. date: 2022-02-21-10-29-20
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.. nonce: cbkt7u
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.. section: Core and Builtins
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Move ``KW_NAMES`` before ``PRECALL`` instruction in call sequence. Change
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``operand`` of ``CALL`` to match ``PRECALL`` for easier specialization.
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..
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.. bpo: 46808
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.. date: 2022-02-20-23-10-14
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.. nonce: vouNSF
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.. section: Core and Builtins
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Remove the ``NEXT_BLOCK`` macro from compile.c, and make the compiler
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automatically generate implicit blocks when they are needed.
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..
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.. bpo: 46329
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.. date: 2022-02-16-13-15-16
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.. nonce: 8aIuz9
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.. section: Core and Builtins
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Add ``PUSH_NULL`` instruction. This is used as a prefix when evaluating a
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callable, so that the stack has the same shape for methods and other calls.
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``PRECALL_FUNCTION`` and ``PRECALL_METHOD`` are merged into a single
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``PRECALL`` instruction.
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There is no change in semantics.
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..
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.. bpo: 46762
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.. date: 2022-02-15-20-26-46
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.. nonce: 1H7vab
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.. section: Core and Builtins
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Fix an assert failure in debug builds when a '<', '>', or '=' is the last
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character in an f-string that's missing a closing right brace.
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..
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.. bpo: 46730
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.. date: 2022-02-14-21-04-43
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.. nonce: rYJ1w5
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.. section: Core and Builtins
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Message of AttributeError caused by getting, setting or deleting a property
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without the corresponding function now mentions that the attribute is in
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fact a property and also specifies type of the class that it belongs to.
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..
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.. bpo: 46724
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.. date: 2022-02-14-14-44-06
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.. nonce: jym_K6
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.. section: Core and Builtins
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Make sure that all backwards jumps use the ``JUMP_ABSOLUTE`` instruction,
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rather than ``JUMP_FORWARD`` with an argument of ``(2**32)+offset``.
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..
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.. bpo: 46732
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.. date: 2022-02-12-11-16-40
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.. nonce: 3Z_qxd
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.. section: Core and Builtins
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Correct the docstring for the :meth:`~object.__bool__` method. Patch by Jelle
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Zijlstra.
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..
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.. bpo: 46072
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.. date: 2022-02-11-13-47-58
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.. nonce: PDS6Ke
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.. section: Core and Builtins
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Add more detailed specialization failure statistics for :opcode:`BINARY_OP`.
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..
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.. bpo: 46707
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.. date: 2022-02-10-03-13-18
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.. nonce: xeSEh0
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.. section: Core and Builtins
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Avoid potential exponential backtracking when producing some syntax errors
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involving lots of brackets. Patch by Pablo Galindo.
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..
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.. bpo: 46323
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.. date: 2022-02-10-02-29-12
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.. nonce: HK_cs0
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.. section: Core and Builtins
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:mod:`ctypes` now allocates memory on the stack instead of on the heap to
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pass arguments while calling a Python callback function. Patch by Donghee
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Na.
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..
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.. bpo: 45923
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.. date: 2022-02-09-20-21-43
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.. nonce: tJ4gDX
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.. section: Core and Builtins
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Add a quickened form of :opcode:`RESUME` that skips quickening checks.
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..
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.. bpo: 46702
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.. date: 2022-02-09-16-36-11
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.. nonce: LcaEuC
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.. section: Core and Builtins
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Specialize :opcode:`UNPACK_SEQUENCE` for :class:`tuple` and :class:`list`
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unpackings.
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..
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.. bpo: 46072
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.. date: 2022-02-07-14-38-54
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.. nonce: 6ebLyN
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.. section: Core and Builtins
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Opcode pair stats are now gathered with ``--enable-pystats``. Defining
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``DYNAMIC_EXECUTION_PROFILE`` or ``DXPAIRS`` no longer has any effect.
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..
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.. bpo: 46675
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.. date: 2022-02-07-14-33-45
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.. nonce: ZPbdMp
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.. section: Core and Builtins
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Allow more than 16 items in a split dict before it is combined. The limit is
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now 254.
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..
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.. bpo: 40479
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.. date: 2022-02-06-23-08-30
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.. nonce: zED3Zu
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.. section: Core and Builtins
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Add a missing call to ``va_end()`` in ``Modules/_hashopenssl.c``.
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..
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.. bpo: 46323
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.. date: 2022-02-05-14-46-21
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.. nonce: FC1OJg
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.. section: Core and Builtins
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Use :c:func:`PyObject_Vectorcall` while calling ctypes callback function.
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Patch by Donghee Na.
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..
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.. bpo: 46615
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.. date: 2022-02-04-04-33-18
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.. nonce: puArY9
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.. section: Core and Builtins
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When iterating over sets internally in ``setobject.c``, acquire strong
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references to the resulting items from the set. This prevents crashes in
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corner-cases of various set operations where the set gets mutated.
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..
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.. bpo: 45828
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.. date: 2022-01-27-14-20-18
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.. nonce: kzk4fl
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.. section: Core and Builtins
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The bytecode compiler now attempts to apply runtime stack manipulations at
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compile-time (whenever it is feasible to do so).
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..
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.. bpo: 30496
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.. date: 2022-01-09-11-59-04
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.. nonce: KvuuGT
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.. section: Core and Builtins
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Fixed a minor portability issue in the implementation of
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:c:func:`PyLong_FromLong`, and added a fast path for single-digit integers
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to :c:func:`PyLong_FromLongLong`.
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..
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.. bpo: 25707
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.. date: 2022-03-05-09-43-53
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.. nonce: gTlclP
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.. section: Library
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Fixed a file leak in :func:`xml.etree.ElementTree.iterparse` when the
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iterator is not exhausted. Patch by Jacob Walls.
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..
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.. bpo: 46877
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.. date: 2022-03-03-06-58-52
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.. nonce: BKgjpD
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.. section: Library
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Export :func:`unittest.doModuleCleanups` in :mod:`unittest`. Patch by Kumar
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Aditya.
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..
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.. bpo: 46848
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.. date: 2022-03-01-01-16-13
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.. nonce: BB01Fr
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.. section: Library
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For performance, use the optimized string-searching implementations from
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:meth:`~bytes.find` and :meth:`~bytes.rfind` for :meth:`~mmap.find` and
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:meth:`~mmap.rfind`.
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..
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.. bpo: 46736
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.. date: 2022-02-24-01-49-38
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.. nonce: NJcoWO
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.. section: Library
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:class:`~http.server.SimpleHTTPRequestHandler` now uses HTML5 grammar. Patch
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by Donghee Na.
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..
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.. bpo: 44886
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.. date: 2022-02-23-00-55-59
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.. nonce: I40Mbr
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.. section: Library
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Inherit asyncio proactor datagram transport from
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:class:`asyncio.DatagramTransport`.
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..
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.. bpo: 46827
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.. date: 2022-02-22-15-08-30
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.. nonce: hvj38S
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.. section: Library
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Support UDP sockets in :meth:`asyncio.loop.sock_connect` for selector-based
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event loops. Patch by Thomas Grainger.
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..
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.. bpo: 46811
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.. date: 2022-02-20-21-03-31
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.. nonce: 8BxgdQ
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.. section: Library
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Make test suite support Expat >=2.4.5
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..
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.. bpo: 46252
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.. date: 2022-02-20-12-59-46
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.. nonce: KG1SqA
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.. section: Library
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Raise :exc:`TypeError` if :class:`ssl.SSLSocket` is passed to
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transport-based APIs.
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..
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.. bpo: 46784
|
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.. date: 2022-02-18-22-10-30
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.. nonce: SVOQJx
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.. section: Library
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Fix libexpat symbols collisions with user dynamically loaded or statically
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linked libexpat in embedded Python.
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..
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.. bpo: 46786
|
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.. date: 2022-02-18-12-10-26
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.. nonce: P0xRvS
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.. section: Library
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The HTML serialisation in xml.etree.ElementTree now writes ``embed``,
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``source``, ``track`` and ``wbr`` as empty tags, as defined in HTML 5.
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..
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.. bpo: 39327
|
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.. date: 2022-02-17-13-10-50
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.. nonce: ytIT7Z
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.. section: Library
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|
:func:`shutil.rmtree` can now work with VirtualBox shared folders when
|
|
running from the guest operating-system.
|
|
|
|
..
|
|
|
|
.. bpo: 45390
|
|
.. date: 2022-02-17-11-00-16
|
|
.. nonce: sVhG6M
|
|
.. section: Library
|
|
|
|
Propagate :exc:`asyncio.CancelledError` message from inner task to outer
|
|
awaiter.
|
|
|
|
..
|
|
|
|
.. bpo: 46756
|
|
.. date: 2022-02-15-11-57-53
|
|
.. nonce: AigSPi
|
|
.. section: Library
|
|
|
|
Fix a bug in :meth:`urllib.request.HTTPPasswordMgr.find_user_password` and
|
|
:meth:`urllib.request.HTTPPasswordMgrWithPriorAuth.is_authenticated` which
|
|
allowed to bypass authorization. For example, access to URI
|
|
``example.org/foobar`` was allowed if the user was authorized for URI
|
|
``example.org/foo``.
|
|
|
|
..
|
|
|
|
.. bpo: 46737
|
|
.. date: 2022-02-15-07-39-43
|
|
.. nonce: 6Pnblt
|
|
.. section: Library
|
|
|
|
:func:`random.gauss` and :func:`random.normalvariate` now have default
|
|
arguments.
|
|
|
|
..
|
|
|
|
.. bpo: 46752
|
|
.. date: 2022-02-14-21-21-49
|
|
.. nonce: m6ldTm
|
|
.. section: Library
|
|
|
|
Add task groups to asyncio (structured concurrency, inspired by Trio's
|
|
nurseries). This also introduces a change to task cancellation, where a
|
|
cancelled task can't be cancelled again until it calls .uncancel().
|
|
|
|
..
|
|
|
|
.. bpo: 46724
|
|
.. date: 2022-02-11-20-41-17
|
|
.. nonce: eU52_N
|
|
.. section: Library
|
|
|
|
Fix :mod:`dis` behavior on negative jump offsets.
|
|
|
|
..
|
|
|
|
.. bpo: 46333
|
|
.. date: 2022-02-11-20-01-49
|
|
.. nonce: PMTBY9
|
|
.. section: Library
|
|
|
|
The :meth:`__repr__` method of :class:`typing.ForwardRef` now includes the
|
|
``module`` parameter of :class:`typing.ForwardRef` when it is set.
|
|
|
|
..
|
|
|
|
.. bpo: 46643
|
|
.. date: 2022-02-09-22-40-11
|
|
.. nonce: aBlIx1
|
|
.. section: Library
|
|
|
|
In :func:`typing.get_type_hints`, support evaluating stringified
|
|
``ParamSpecArgs`` and ``ParamSpecKwargs`` annotations. Patch by Gregory
|
|
Beauregard.
|
|
|
|
..
|
|
|
|
.. bpo: 45863
|
|
.. date: 2022-02-09-00-53-23
|
|
.. nonce: zqQXVv
|
|
.. section: Library
|
|
|
|
When the :mod:`tarfile` module creates a pax format archive, it will put an
|
|
integer representation of timestamps in the ustar header (if possible) for
|
|
the benefit of older unarchivers, in addition to the existing full-precision
|
|
timestamps in the pax extended header.
|
|
|
|
..
|
|
|
|
.. bpo: 46066
|
|
.. date: 2022-02-08-16-42-20
|
|
.. nonce: m32Hl0
|
|
.. section: Library
|
|
|
|
Deprecate kwargs-based syntax for :class:`typing.TypedDict` definitions. It
|
|
had confusing semantics when specifying totality, and was largely unused.
|
|
Patch by Jingchen Ye.
|
|
|
|
..
|
|
|
|
.. bpo: 46676
|
|
.. date: 2022-02-07-19-20-42
|
|
.. nonce: 3Aws1o
|
|
.. section: Library
|
|
|
|
Make :data:`typing.ParamSpec` args and kwargs equal to themselves. Patch by
|
|
Gregory Beauregard.
|
|
|
|
..
|
|
|
|
.. bpo: 46323
|
|
.. date: 2022-02-07-13-27-59
|
|
.. nonce: 7UENAj
|
|
.. section: Library
|
|
|
|
``ctypes.CFUNCTYPE()`` and ``ctypes.WINFUNCTYPE()`` now fail to create the
|
|
type if its ``_argtypes_`` member contains too many arguments. Previously,
|
|
the error was only raised when calling a function. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 46672
|
|
.. date: 2022-02-07-13-15-16
|
|
.. nonce: 4swIjx
|
|
.. section: Library
|
|
|
|
Fix ``NameError`` in :func:`asyncio.gather` when initial type check fails.
|
|
|
|
..
|
|
|
|
.. bpo: 46659
|
|
.. date: 2022-02-06-19-13-02
|
|
.. nonce: q-vNL9
|
|
.. section: Library
|
|
|
|
The :class:`calendar.LocaleTextCalendar` and
|
|
:class:`calendar.LocaleHTMLCalendar` classes now use
|
|
:func:`locale.getlocale`, instead of using :func:`locale.getdefaultlocale`,
|
|
if no locale is specified. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 46659
|
|
.. date: 2022-02-06-17-57-45
|
|
.. nonce: zTmkoQ
|
|
.. section: Library
|
|
|
|
The :func:`locale.getdefaultlocale` function is deprecated and will be
|
|
removed in Python 3.13. Use :func:`locale.setlocale`,
|
|
:func:`locale.getpreferredencoding(False) <locale.getpreferredencoding>` and
|
|
:func:`locale.getlocale` functions instead. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 46655
|
|
.. date: 2022-02-06-08-54-03
|
|
.. nonce: DiLzYv
|
|
.. section: Library
|
|
|
|
In :func:`typing.get_type_hints`, support evaluating bare stringified
|
|
``TypeAlias`` annotations. Patch by Gregory Beauregard.
|
|
|
|
..
|
|
|
|
.. bpo: 45948
|
|
.. date: 2022-02-05-18-22-05
|
|
.. nonce: w4mCnE
|
|
.. section: Library
|
|
|
|
Fixed a discrepancy in the C implementation of the
|
|
:mod:`xml.etree.ElementTree` module. Now, instantiating an
|
|
:class:`xml.etree.ElementTree.XMLParser` with a ``target=None`` keyword
|
|
provides a default :class:`xml.etree.ElementTree.TreeBuilder` target as the
|
|
Python implementation does.
|
|
|
|
..
|
|
|
|
.. bpo: 46626
|
|
.. date: 2022-02-03-10-22-42
|
|
.. nonce: r2e-n_
|
|
.. section: Library
|
|
|
|
Expose Linux's ``IP_BIND_ADDRESS_NO_PORT`` option in :mod:`socket`.
|
|
|
|
..
|
|
|
|
.. bpo: 46521
|
|
.. date: 2022-02-01-19-34-28
|
|
.. nonce: IMUIrs
|
|
.. section: Library
|
|
|
|
Fix a bug in the :mod:`codeop` module that was incorrectly identifying
|
|
invalid code involving string quotes as valid code.
|
|
|
|
..
|
|
|
|
.. bpo: 46571
|
|
.. date: 2022-02-01-11-21-34
|
|
.. nonce: L40xUJ
|
|
.. section: Library
|
|
|
|
Improve :func:`typing.no_type_check`.
|
|
|
|
Now it does not modify external classes and functions. We also now correctly
|
|
mark classmethods as not to be type checked.
|
|
|
|
..
|
|
|
|
.. bpo: 46400
|
|
.. date: 2022-01-30-15-16-12
|
|
.. nonce: vweUiO
|
|
.. section: Library
|
|
|
|
expat: Update libexpat from 2.4.1 to 2.4.4
|
|
|
|
..
|
|
|
|
.. bpo: 46556
|
|
.. date: 2022-01-27-23-20-30
|
|
.. nonce: tlpAgS
|
|
.. section: Library
|
|
|
|
Deprecate undocumented support for using a :class:`pathlib.Path` object as a
|
|
context manager.
|
|
|
|
..
|
|
|
|
.. bpo: 46534
|
|
.. date: 2022-01-26-18-06-08
|
|
.. nonce: vhzUM4
|
|
.. section: Library
|
|
|
|
Implement :pep:`673` :class:`typing.Self`. Patch by James Hilton-Balfe.
|
|
|
|
..
|
|
|
|
.. bpo: 46522
|
|
.. date: 2022-01-25-15-31-04
|
|
.. nonce: tYAlX4
|
|
.. section: Library
|
|
|
|
Make various module ``__getattr__`` AttributeErrors more closely match a
|
|
typical AttributeError
|
|
|
|
..
|
|
|
|
.. bpo: 46475
|
|
.. date: 2022-01-23-15-35-07
|
|
.. nonce: UCe18S
|
|
.. section: Library
|
|
|
|
Add :data:`typing.Never` and :func:`typing.assert_never`. Patch by Jelle
|
|
Zijlstra.
|
|
|
|
..
|
|
|
|
.. bpo: 46333
|
|
.. date: 2022-01-11-15-54-15
|
|
.. nonce: B1faiF
|
|
.. section: Library
|
|
|
|
The :meth:`__eq__` and :meth:`__hash__` methods of
|
|
:class:`typing.ForwardRef` now honor the ``module`` parameter of
|
|
:class:`typing.ForwardRef`. Forward references from different modules are
|
|
now differentiated.
|
|
|
|
..
|
|
|
|
.. bpo: 46246
|
|
.. date: 2022-01-07-13-27-53
|
|
.. nonce: CTLx32
|
|
.. section: Library
|
|
|
|
Add missing ``__slots__`` to ``importlib.metadata.DeprecatedList``. Patch by
|
|
Arie Bovenberg.
|
|
|
|
..
|
|
|
|
.. bpo: 46232
|
|
.. date: 2022-01-03-09-46-44
|
|
.. nonce: s0KlyI
|
|
.. section: Library
|
|
|
|
The :mod:`ssl` module now handles certificates with bit strings in DN
|
|
correctly.
|
|
|
|
..
|
|
|
|
.. bpo: 46195
|
|
.. date: 2021-12-30-21-38-51
|
|
.. nonce: jFKGq_
|
|
.. section: Library
|
|
|
|
:func:`typing.get_type_hints` no longer adds ``Optional`` to parameters with
|
|
``None`` as a default. This aligns to changes to PEP 484 in
|
|
https://github.com/python/peps/pull/689
|
|
|
|
..
|
|
|
|
.. bpo: 31369
|
|
.. date: 2021-12-27-18-28-44
|
|
.. nonce: b9yM94
|
|
.. section: Library
|
|
|
|
Add :class:`~re.RegexFlag` to ``re.__all__`` and documented it. Add
|
|
:data:`~re.RegexFlag.NOFLAG` to indicate no flags being set.
|
|
|
|
..
|
|
|
|
.. bpo: 45898
|
|
.. date: 2021-11-26-10-46-09
|
|
.. nonce: UIfhsb
|
|
.. section: Library
|
|
|
|
:mod:`ctypes` no longer defines ``ffi_type_*`` symbols in ``cfield.c``. The
|
|
symbols have been provided by libffi for over a decade.
|
|
|
|
..
|
|
|
|
.. bpo: 44953
|
|
.. date: 2021-08-19-09-29-43
|
|
.. nonce: 27ZyUd
|
|
.. section: Library
|
|
|
|
Calling ``operator.itemgetter`` objects and ``operator.attrgetter`` objects
|
|
is now faster due to use of the vectorcall calling convention.
|
|
|
|
..
|
|
|
|
.. bpo: 44289
|
|
.. date: 2021-06-02-19-47-46
|
|
.. nonce: xC5kuV
|
|
.. section: Library
|
|
|
|
Fix an issue with :meth:`~tarfile.is_tarfile` method when using *fileobj*
|
|
argument: position in the *fileobj* was advanced forward which made it
|
|
unreadable with :meth:`tarfile.TarFile.open`.
|
|
|
|
..
|
|
|
|
.. bpo: 44011
|
|
.. date: 2021-05-02-23-44-21
|
|
.. nonce: hd8iUO
|
|
.. section: Library
|
|
|
|
Reimplement SSL/TLS support in asyncio, borrow the implementation from
|
|
uvloop library.
|
|
|
|
..
|
|
|
|
.. bpo: 41086
|
|
.. date: 2020-06-23-01-50-24
|
|
.. nonce: YnOvpS
|
|
.. section: Library
|
|
|
|
Make the :class:`configparser.ConfigParser` constructor raise
|
|
:exc:`TypeError` if the ``interpolation`` parameter is not of type
|
|
:class:`!configparser.Interpolation`
|
|
|
|
..
|
|
|
|
.. bpo: 29418
|
|
.. date: 2020-03-31-20-53-11
|
|
.. nonce: 8Qa9cQ
|
|
.. section: Library
|
|
|
|
Implement :func:`inspect.ismethodwrapper` and fix :func:`inspect.isroutine`
|
|
for cases where methodwrapper is given. Patch by Hakan Çelik.
|
|
|
|
..
|
|
|
|
.. bpo: 14156
|
|
.. date: 2019-05-07-14-25-45
|
|
.. nonce: 0FaHXE
|
|
.. section: Library
|
|
|
|
argparse.FileType now supports an argument of '-' in binary mode, returning
|
|
the .buffer attribute of sys.stdin/sys.stdout as appropriate. Modes
|
|
including 'x' and 'a' are treated equivalently to 'w' when argument is '-'.
|
|
Patch contributed by Josh Rosenberg
|
|
|
|
..
|
|
|
|
.. bpo: 42238
|
|
.. date: 2022-02-03-11-24-59
|
|
.. nonce: yJcMa8
|
|
.. section: Documentation
|
|
|
|
``Doc/tools/rstlint.py`` has moved to its own repository and is now packaged
|
|
on PyPI as ``sphinx-lint``.
|
|
|
|
..
|
|
|
|
.. bpo: 46913
|
|
.. date: 2022-03-03-17-36-24
|
|
.. nonce: vxETIE
|
|
.. section: Tests
|
|
|
|
Fix test_faulthandler.test_sigfpe() if Python is built with undefined
|
|
behavior sanitizer (UBSAN): disable UBSAN on the faulthandler_sigfpe()
|
|
function. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 46760
|
|
.. date: 2022-02-16-10-38-18
|
|
.. nonce: O3ovJo
|
|
.. section: Tests
|
|
|
|
Remove bytecode offsets from expected values in test.test_dis module.
|
|
Reduces the obstacles to modifying the VM or compiler.
|
|
|
|
..
|
|
|
|
.. bpo: 46708
|
|
.. date: 2022-02-10-14-33-47
|
|
.. nonce: avLfCb
|
|
.. section: Tests
|
|
|
|
Prevent default asyncio event loop policy modification warning after
|
|
``test_asyncio`` execution.
|
|
|
|
..
|
|
|
|
.. bpo: 46678
|
|
.. date: 2022-02-07-12-40-45
|
|
.. nonce: zfOrgL
|
|
.. section: Tests
|
|
|
|
The function ``make_legacy_pyc`` in ``Lib/test/support/import_helper.py`` no
|
|
longer fails when ``PYTHONPYCACHEPREFIX`` is set to a directory on a
|
|
different device from where tempfiles are stored.
|
|
|
|
..
|
|
|
|
.. bpo: 46623
|
|
.. date: 2022-02-03-09-45-26
|
|
.. nonce: vxzuhV
|
|
.. section: Tests
|
|
|
|
Skip test_pair() and test_speech128() of test_zlib on s390x since they fail
|
|
if zlib uses the s390x hardware accelerator. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 46860
|
|
.. date: 2022-02-25-16-19-40
|
|
.. nonce: jfciLG
|
|
.. section: Build
|
|
|
|
Respect `--with-suffix` when building on case-insensitive file systems.
|
|
|
|
..
|
|
|
|
.. bpo: 46656
|
|
.. date: 2022-02-25-00-51-16
|
|
.. nonce: MD783M
|
|
.. section: Build
|
|
|
|
Building Python now requires a C11 compiler. Optional C11 features are not
|
|
required.
|
|
Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 46656
|
|
.. date: 2022-02-06-14-04-20
|
|
.. nonce: ajJjkh
|
|
.. section: Build
|
|
|
|
Building Python now requires support for floating point Not-a-Number (NaN):
|
|
remove the ``Py_NO_NAN`` macro. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 46640
|
|
.. date: 2022-02-04-21-26-50
|
|
.. nonce: HXUmQp
|
|
.. section: Build
|
|
|
|
Building Python now requires a C99 ``<math.h>`` header file providing a
|
|
``NAN`` constant, or the ``__builtin_nan()`` built-in function. Patch by
|
|
Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 46608
|
|
.. date: 2022-02-02-11-26-46
|
|
.. nonce: cXH9po
|
|
.. section: Build
|
|
|
|
Exclude marshalled-frozen data if deep-freezing to save 300 KB disk space.
|
|
This includes adding a new ``is_package`` field to :c:struct:`_frozen`.
|
|
Patch by Kumar Aditya.
|
|
|
|
..
|
|
|
|
.. bpo: 40280
|
|
.. date: 2022-01-31-15-15-08
|
|
.. nonce: r1AYNW
|
|
.. section: Build
|
|
|
|
Fix wasm32-emscripten test failures and platform issues. - Disable syscalls
|
|
that are not supported or don't work, e.g. wait, getrusage, prlimit,
|
|
mkfifo, mknod, setres[gu]id, setgroups. - Use fd_count to cound open fds. -
|
|
Add more checks for subprocess and fork. - Add workarounds for missing
|
|
_multiprocessing and failing socket.accept(). - Enable bzip2. - Disable
|
|
large file support. - Disable signal.alarm.
|
|
|
|
..
|
|
|
|
.. bpo: 46430
|
|
.. date: 2022-01-19-11-08-32
|
|
.. nonce: k403m_
|
|
.. section: Build
|
|
|
|
Intern strings in deep-frozen modules. Patch by Kumar Aditya.
|
|
|
|
..
|
|
|
|
.. bpo: 46744
|
|
.. date: 2022-03-04-00-24-55
|
|
.. nonce: tneWFr
|
|
.. section: Windows
|
|
|
|
The default all users install directory for ARM64 is now under the native
|
|
``Program Files`` folder, rather than ``Program Files (Arm)`` which is
|
|
intended for ARM (32-bit) files.
|
|
|
|
..
|
|
|
|
.. bpo: 46567
|
|
.. date: 2022-02-25-01-22-31
|
|
.. nonce: 37WEue
|
|
.. section: Windows
|
|
|
|
Adds Tcl and Tk support for Windows ARM64. This also adds IDLE to the
|
|
installation.
|
|
|
|
..
|
|
|
|
.. bpo: 46638
|
|
.. date: 2022-02-04-18-02-33
|
|
.. nonce: mSJOSX
|
|
.. section: Windows
|
|
|
|
Ensures registry virtualization is consistently disabled. For 3.10 and
|
|
earlier, it remains enabled (some registry writes are protected), while for
|
|
3.11 and later it is disabled (registry modifications affect all
|
|
applications).
|
|
|
|
..
|
|
|
|
.. bpo: 46630
|
|
.. date: 2022-02-03-15-47-53
|
|
.. nonce: tREOjo
|
|
.. section: IDLE
|
|
|
|
Make query dialogs on Windows start with a cursor in the entry box.
|
|
|
|
..
|
|
|
|
.. bpo: 45447
|
|
.. date: 2021-10-14-16-55-03
|
|
.. nonce: FhiH5P
|
|
.. section: IDLE
|
|
|
|
Apply IDLE syntax highlighting to `.pyi` files. Patch by Alex Waygood and
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Terry Jan Reedy.
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..
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.. bpo: 46748
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.. date: 2022-02-24-13-13-16
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.. nonce: aG1zb3
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.. section: C API
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Python's public headers no longer import ``<stdbool.h>``, leaving code that
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embedd/extends Python free to define ``bool``, ``true`` and ``false``.
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..
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.. bpo: 46836
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.. date: 2022-02-23-16-13-17
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.. nonce: ZYyPF_
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.. section: C API
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Move the :c:type:`PyFrameObject` type definition (``struct _frame``) to the
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internal C API ``pycore_frame.h`` header file. Patch by Victor Stinner.
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..
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.. bpo: 45459
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.. date: 2022-02-07-18-47-00
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.. nonce: 0FCWM8
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.. section: C API
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Rename ``Include/buffer.h`` header file to ``Include/pybuffer.h`` to avoid
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conflits with projects having an existing ``buffer.h`` header file. Patch by
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Victor Stinner.
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..
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.. bpo: 45412
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.. date: 2022-02-06-20-14-21
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.. nonce: XJVaGW
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.. section: C API
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Remove the ``HAVE_PY_SET_53BIT_PRECISION`` macro (moved to the internal C
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API). Patch by Victor Stinner.
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..
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.. bpo: 46613
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.. date: 2022-02-02-17-58-49
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.. nonce: __ZdpH
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.. section: C API
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Added function :c:func:`PyType_GetModuleByDef`, which allows accesss to
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module state when a method's defining class is not available.
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